state_id.h

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//
// Created by henri on 27/04/21.
//
 
#ifndef STATE_MACHINE_CPP_STATE_ID_H
#define STATE_MACHINE_CPP_STATE_ID_H
 
#include <iostream>
#include "impl/__comparable.h"
 
namespace state_machine_cpp {
    template<class> class hash;
 
    namespace State {
        struct Id;
        class Instance;
    }
}
 
 
std::ostream& operator<<(std::ostream& t_os, const state_machine_cpp::State::Id& t_id);
 
struct state_machine_cpp::State::Id : public Util::comparable<State::Id> {
    const std::string m_name;
    const std::size_t m_hash;
 
    friend class hash<State::Id>;
protected:
    inline bool equals_to(const Id &t_rhs) const override;
public:
    explicit Id(const char *t_name) noexcept;
 
    Id(const Id&) = delete;
    Id(Id&&) = delete;
    Id& operator=(const Id&) = delete;
    Id& operator=(Id&&) = delete;
 
    inline const std::string& name() const;
    State::Instance operator[](unsigned int t_layer) const;
};
 
const std::string &state_machine_cpp::State::Id::name() const {
    return m_name;
}
 
bool state_machine_cpp::State::Id::equals_to(const State::Id &t_rhs) const {
    return m_hash == t_rhs.m_hash;
}
 
 
#endif //STATE_MACHINE_CPP_STATE_ID_H